You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.2 KiB
75 lines
2.2 KiB
/* eslint no-console:0 */
|
|
/**
|
|
* This is the main entry point for KaTeX. Here, we expose functions for
|
|
* rendering expressions either to DOM nodes or to markup strings.
|
|
*
|
|
* We also expose the ParseError class to check if errors thrown from KaTeX are
|
|
* errors in the expression, or errors in javascript handling.
|
|
*/
|
|
|
|
var ParseError = require("./src/ParseError");
|
|
var Settings = require("./src/Settings");
|
|
|
|
var buildTree = require("./src/buildTree");
|
|
var parseTree = require("./src/parseTree");
|
|
var utils = require("./src/utils");
|
|
|
|
/**
|
|
* Parse and build an expression, and place that expression in the DOM node
|
|
* given.
|
|
*/
|
|
var render = function(expression, baseNode, options) {
|
|
utils.clearNode(baseNode);
|
|
|
|
var settings = new Settings(options);
|
|
|
|
var tree = parseTree(expression, settings);
|
|
var node = buildTree(tree, expression, settings).toNode();
|
|
|
|
baseNode.appendChild(node);
|
|
};
|
|
|
|
// KaTeX's styles don't work properly in quirks mode. Print out an error, and
|
|
// disable rendering.
|
|
if (typeof document !== "undefined") {
|
|
if (document.compatMode !== "CSS1Compat") {
|
|
typeof console !== "undefined" && console.warn(
|
|
"Warning: KaTeX doesn't work in quirks mode. Make sure your " +
|
|
"website has a suitable doctype.");
|
|
|
|
render = function() {
|
|
throw new ParseError("KaTeX doesn't work in quirks mode.");
|
|
};
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse and build an expression, and return the markup for that.
|
|
*/
|
|
var renderToString = function(expression, options) {
|
|
var settings = new Settings(options);
|
|
|
|
var tree = parseTree(expression, settings);
|
|
return buildTree(tree, expression, settings).toMarkup();
|
|
};
|
|
|
|
/**
|
|
* Parse an expression and return the parse tree.
|
|
*/
|
|
var generateParseTree = function(expression, options) {
|
|
var settings = new Settings(options);
|
|
return parseTree(expression, settings);
|
|
};
|
|
|
|
module.exports = {
|
|
render: render,
|
|
renderToString: renderToString,
|
|
/**
|
|
* NOTE: This method is not currently recommended for public use.
|
|
* The internal tree representation is unstable and is very likely
|
|
* to change. Use at your own risk.
|
|
*/
|
|
__parse: generateParseTree,
|
|
ParseError: ParseError,
|
|
};
|